diff options
Diffstat (limited to 'board/xes/xpedite1000/xpedite1000.c')
| -rw-r--r-- | board/xes/xpedite1000/xpedite1000.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/board/xes/xpedite1000/xpedite1000.c b/board/xes/xpedite1000/xpedite1000.c new file mode 100644 index 0000000000..4529b7eded --- /dev/null +++ b/board/xes/xpedite1000/xpedite1000.c @@ -0,0 +1,244 @@ +/* + * Copyright (C) 2003 Travis B. Sawyer <travis.sawyer@sandburst.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/processor.h> +#include <spd_sdram.h> +#include <i2c.h> +#include <net.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + unsigned long sdrreg; + + /* + * Enable GPIO for pins 18 - 24 + * 18 = SEEPROM_WP + * 19 = #M_RST + * 20 = #MONARCH + * 21 = #LED_ALARM + * 22 = #LED_ACT + * 23 = #LED_STATUS1 + * 24 = #LED_STATUS2 + */ + mfsdr(sdr_pfc0, sdrreg); + mtsdr(sdr_pfc0, (sdrreg & ~SDR0_PFC0_TRE_ENABLE) | 0x00003e00); + out32(CONFIG_SYS_GPIO_BASE + 0x018, (USR_LED0 | USR_LED1 | USR_LED2 | USR_LED3)); + LED0_OFF(); + LED1_OFF(); + LED2_OFF(); + LED3_OFF(); + + /* Setup the external bus controller/chip selects */ + mtebc(pb0ap, 0x04055200); /* 16MB Strata FLASH */ + mtebc(pb0cr, 0xff098000); /* BAS=0xff0 16MB R/W 8-bit */ + mtebc(pb1ap, 0x04055200); /* 512KB Socketed AMD FLASH */ + mtebc(pb1cr, 0xfe018000); /* BAS=0xfe0 1MB R/W 8-bit */ + mtebc(pb6ap, 0x05006400); /* 32-64MB AMD MirrorBit FLASH */ + mtebc(pb6cr, 0xf00da000); /* BAS=0xf00 64MB R/W i6-bit */ + mtebc(pb7ap, 0x05006400); /* 32-64MB AMD MirrorBit FLASH */ + mtebc(pb7cr, 0xf40da000); /* BAS=0xf40 64MB R/W 16-bit */ + + /* + * Setup the interrupt controller polarities, triggers, etc. + * + * Because of the interrupt handling rework to handle 440GX interrupts + * with the common code, we needed to change names of the UIC registers. + * Here the new relationship: + * + * U-Boot name 440GX name + * ----------------------- + * UIC0 UICB0 + * UIC1 UIC0 + * UIC2 UIC1 + * UIC3 UIC2 + */ + mtdcr(uic1sr, 0xffffffff); /* clear all */ + mtdcr(uic1er, 0x00000000); /* disable all */ + mtdcr(uic1cr, 0x00000003); /* SMI & UIC1 crit are critical */ + mtdcr(uic1pr, 0xfffffe00); /* per ref-board manual */ + mtdcr(uic1tr, 0x01c00000); /* per ref-board manual */ + mtdcr(uic1vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic1sr, 0xffffffff); /* clear all */ + + mtdcr(uic2sr, 0xffffffff); /* clear all */ + mtdcr(uic2er, 0x00000000); /* disable all */ + mtdcr(uic2cr, 0x00000000); /* all non-critical */ + mtdcr(uic2pr, 0xffffc0ff); /* per ref-board manual */ + mtdcr(uic2tr, 0x00ff8000); /* per ref-board manual */ + mtdcr(uic2vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic2sr, 0xffffffff); /* clear all */ + + mtdcr(uic3sr, 0xffffffff); /* clear all */ + mtdcr(uic3er, 0x00000000); /* disable all */ + mtdcr(uic3cr, 0x00000000); /* all non-critical */ + mtdcr(uic3pr, 0xffffffff); /* per ref-board manual */ + mtdcr(uic3tr, 0x00ff8c0f); /* per ref-board manual */ + mtdcr(uic3vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic3sr, 0xffffffff); /* clear all */ + + mtdcr(uic0sr, 0xfc000000); /* clear all */ + mtdcr(uic0er, 0x00000000); /* disable all */ + mtdcr(uic0cr, 0x00000000); /* all non-critical */ + mtdcr(uic0pr, 0xfc000000); /* */ + mtdcr(uic0tr, 0x00000000); /* */ + mtdcr(uic0vr, 0x00000001); /* */ + + LED0_ON(); + + return 0; +} + +int checkboard(void) +{ + char *s; + + printf("Board: X-ES %s PMC SBC\n", CONFIG_SYS_BOARD_NAME); + printf(" "); + s = getenv("board_rev"); + if (s) + printf("Rev %s, ", s); + s = getenv("serial#"); + if (s) + printf("Serial# %s, ", s); + s = getenv("board_cfg"); + if (s) + printf("Cfg %s", s); + printf("\n"); + + return 0; +} + +phys_size_t initdram(int board_type) +{ + return spd_sdram(); +} + +/* + * This routine is called just prior to registering the hose and gives + * the board the opportunity to check things. Returning a value of zero + * indicates that things are bad & PCI initialization should be aborted. + * + * Different boards may wish to customize the pci controller structure + * (add regions, override default access routines, etc) or perform + * certain pre-initialization actions. + */ + +#if defined(CONFIG_PCI) +int pci_pre_init(struct pci_controller * hose) +{ + unsigned long strap; + + /* See if we're supposed to setup the pci */ + mfsdr(sdr_sdstp1, strap); + if ((strap & 0x00010000) == 0) + return 0; + +#if defined(CONFIG_SYS_PCI_FORCE_PCI_CONV) + /* Setup System Device Register PCIX0_XCR */ + mfsdr(sdr_xcr, strap); + strap &= 0x0f000000; + mtsdr(sdr_xcr, strap); +#endif + + return 1; +} +#endif /* defined(CONFIG_PCI) */ + +#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) +/* + * The bootstrap configuration provides default settings for the pci + * inbound map (PIM). But the bootstrap config choices are limited and + * may not be sufficient for a given board. + */ +void pci_target_init(struct pci_controller * hose) +{ + /* Disable everything */ + out32r(PCIX0_PIM0SA, 0); + out32r(PCIX0_PIM1SA, 0); + out32r(PCIX0_PIM2SA, 0); + out32r(PCIX0_EROMBA, 0); /* disable expansion rom */ + + /* + * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping + * options to not support sizes such as 128/256 MB. + */ + out32r(PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE); + out32r(PCIX0_PIM0LAH, 0); + out32r(PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1); + + out32r(PCIX0_BAR0, 0); + + /* Program the board's subsystem id/vendor id */ + out16r(PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID); + out16r(PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID); + + out16r(PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY); +} +#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */ + +#if defined(CONFIG_PCI) +/* + * This routine is called to determine if a pci scan should be + * performed. With various hardware environments (especially cPCI and + * PPMC) it's insufficient to depend on the state of the arbiter enable + * bit in the strap register, or generic host/adapter assumptions. + * + * Rather than hard-code a bad assumption in the general 440 code, the + * 440 pci code requires the board to decide at runtime. + * + * Return 0 for adapter mode, non-zero for host (monarch) mode. + */ +int is_pci_host(struct pci_controller *hose) +{ + return ((in32(CONFIG_SYS_GPIO_BASE + 0x1C) & 0x00000800) == 0); +} +#endif /* defined(CONFIG_PCI) */ + +#ifdef CONFIG_POST +/* + * Returns 1 if keys pressed to start the power-on long-running tests + * Called from board_init_f(). + */ +int post_hotkeys_pressed(void) +{ + return ctrlc(); +} + +void post_word_store(ulong a) +{ + volatile ulong *save_addr = + (volatile ulong *)(CONFIG_SYS_POST_WORD_ADDR); + + *save_addr = a; +} + +ulong post_word_load(void) +{ + volatile ulong *save_addr = + (volatile ulong *)(CONFIG_SYS_POST_WORD_ADDR); + + return *save_addr; +} +#endif |
